Which cells produce and secrete large amounts of antibodies?

B lymphocytes (or B cells) are each programmed to make one specific antibody. When a B cell comes across its triggering antigen it gives rise to many large cells known as plasma cells. Each plasma cell is essentially a factory for producing antibody. An antibody matches an antigen much like a key matches a lock.

Explanation:

B lymphocytes (or B cells) are each programmed to make one specific antibody. When a B cell comes across its triggering antigen it gives rise to many large cells known as plasma cells. Each plasma cell is essentially a factory for producing antibody. An antibody matches an antigen much like a key matches a lock.

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